The Artistry of Mixing Drinks by Frank Meier (1936, p.67)

1 lumpsugar — Sugarbase
water — Boiling waterdilution
water — Boiling waterdilution
1 glasssweet sherry — Sweet Sherrymodifier
  1. Dissolve sugar in a little boiling water in a heated tumbler, add sherry, top with more boiling water as needed, grate nutmeg on top, and serve.

Garnish: Grated nutmeg